Product Description

Narco Bof Hood Castable Refractory is documented in publicly filed U.S. asbestos personal-injury and wrongful-death litigation as allegedly containing asbestos. It was a refractory material used to line furnaces, ladles, kilns, and other high-temperature equipment, where asbestos was historically incorporated for thermal resistance.

Asbestos Content

Litigation records document that this product was alleged to contain asbestos. According to publicly filed litigation records, asbestos was historically used in products of this type for its heat resistance, durability, and insulating properties. The specific asbestos content varied by formulation and production period.

How Workers Were Exposed

According to publicly filed litigation records, workers who mixed, installed, gunned, cut, and tore out refractory were exposed when the material was disturbed in dry, dusty form. This fiber release followed the recognizable pattern associated with asbestos-containing products of this type in service and maintenance environments.

Exposed Trades

Furnace masons, refractory workers, bricklayers, and laborers are the exposure population most commonly documented in litigation involving products of this type.


Company and product references reflect allegations documented in publicly filed U.S. asbestos personal-injury and wrongful-death litigation. Allegations have been contested. This page is educational, framed on the general documented pattern of asbestos use in facilities and products of this type and era, and does not constitute legal or medical advice.